$bgColor: #3498db;


.flexCenter {
    display: flex;
    justify-content: center;
    align-items: center;
}

// 连续点击某个标签出现蓝色解决办法
.clearBlue {
    -moz-user-select: none; /*mozilar*/
    -webkit-user-select: none; /*webkit*/
    -ms-user-select: none; /*IE*/
    user-select: none;
}